Finding the Fourth Proportional to 11,068,557.20, 16,609,834.20 and 6,519,597.20
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Solution
The fourth proportional to 11,068,557.20, 16,609,834.20 and 6,519,597.20 is: 9,783,517.99
Step by Step Solution
- Step 1: Write the proportion equation
11,068,557.20 : 16,609,834.20 = 6,519,597.20 : x - Step 2: Convert to fraction form
11,068,557.20/16,609,834.20 = 6,519,597.20/x - Step 3: Cross multiply
11,068,557.20x = 16,609,834.20 × 6,519,597.20 - Step 4: Simplify right side
11,068,557.20x = 108,289,428,542,784.23 - Step 5: Solve for x
x = 108,289,428,542,784.23/11,068,557.20 - Step 6: Final answer
x = 9,783,517.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.